| Business | Phone |
| Mediprove Laboratories 501 Alliance Ave, York M6N 2J1 | (416) 766-5554 |
| Canadian Medical Laboratories 1924 Weston Rd, York M9N 1W2 | (416) 249-7481 |
| Gamma Dynacare Medical Labs 98 Guestville Ave, York M6N 4N6 | (416) 766-0715 |
| Gamma-Dynacare Medical Labs 2600 Eglinton Ave W #103, York M6M 1T5 | (416) 651-5112 |